package com.ruoyi.framework.web.exception;

import com.ruoyi.framework.web.exception.base.XException;
import com.ruoyi.framework.web.exception.base.XResult;
import org.apache.shiro.authz.AuthorizationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.*;
import com.ruoyi.common.base.AjaxResult;
import com.ruoyi.common.exception.DemoModeException;
import com.ruoyi.framework.util.PermissionUtils;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;

/**
 * 自定义异常处理器
 * 
 * @author ruoyi
 */
@RestControllerAdvice
public class DefaultExceptionHandler
{
    private static final Logger log = LoggerFactory.getLogger(DefaultExceptionHandler.class);

//    @ModelAttribute
//    public User newUser() {
//        System.out.println("============应用到所有@RequestMapping注解方法，在其执行之前把返回值放入Model");
//        return new User();
//    }
//
//    @InitBinder
//    public void initBinder(WebDataBinder binder){
//        System.out.println("============应用到所有@RequestMapping注解方法，在其执行之前初始化数据绑定器");
//    }

    /**
     * 权限校验失败
     */
    @ExceptionHandler(AuthorizationException.class)
    public AjaxResult handleAuthorizationException(AuthorizationException e)
    {
        log.error(e.getMessage(), e);
        return AjaxResult.error(PermissionUtils.getMsg(e.getMessage()));
    }

    /**
     * 请求方式不支持
     */
    @ExceptionHandler({ HttpRequestMethodNotSupportedException.class })
    public AjaxResult handleException(HttpRequestMethodNotSupportedException e)
    {
        log.error(e.getMessage(), e);
        return AjaxResult.error("不支持' " + e.getMethod() + "'请求");
    }

    /**
     * 拦截未知的运行时异常
     */
    @ExceptionHandler(RuntimeException.class)
    public AjaxResult notFount(RuntimeException e)
    {
        log.error("运行时异常:", e);
        return AjaxResult.error("运行时异常:" + e.getMessage());
    }

    /**
     * 系统异常
     */
    @ExceptionHandler(Exception.class)
    public AjaxResult handleException(Exception e)
    {
        log.error(e.getMessage(), e);
        return AjaxResult.error("服务器错误，请联系管理员");
    }
    
    /**
     * 演示模式异常
     */
    @ExceptionHandler(DemoModeException.class)
    public AjaxResult demoModeException(DemoModeException e)
    {
        return AjaxResult.error("演示模式，不允许操作");
    }
    @ResponseBody
    @ResponseStatus(HttpStatus.OK)
    @ExceptionHandler(value = XException.class)
    public Object handlerMyException(HttpServletRequest request, XException ex) {
        log.error("------> URL:\t\t" + request.getRequestURI());
        Map<String, String[]> parameterMap = request.getParameterMap();
        for (String key : parameterMap.keySet()) {
            log.error("------> Params:\t\t" + key + " = " + request.getParameter(key));
        }
        log.error("------> Exception:\t\t" + ex.getLocalizedMessage());
        return new XResult(ex.getLocalizedMessage());
    }
}
